12 Types of Law: What are the main areas you can work in?

12 Types of Law: What are the main areas you can work in?

By ESEG Team

26/09/2025

7 min read
12 Types of Law: What are the main areas you can work in?

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12 Types of Law: What are the main areas you can work in?

If you're thinking about pursuing a legal career, one of the first questions that comes to mind is: what are the different types of law?

After all, this is one of the broadest areas of human knowledge, with diverse specializations and career opportunities.

For those who intend to practice law, choosing a specialization requires self-knowledge, market analysis, and interest in the subject.

Deciding which area of law to work in is not a simple matter.

To help you, in this article you will learn about 12 types of law: understanding the areas in which a lawyer can work and discovering which one tends to be the most lucrative.

This will make it easier to identify the one that best matches your profile.

Keep reading and learn all about it!

What are the types of law?

Law is divided into different branches., each focused on resolving specific societal conflicts.

These branches These functions can be performed by both lawyers and public bodies., depending on the case.

Next, see the main areas that make up the legal universe!

1. Civil Law

Civil law regulates legal relationships between individuals or legal entities. It encompasses contracts, property, civil liability, compensation, obligations, and personality rights.

    It is one of the broadest and most fundamental areas of law, as it deals with everyday situations such as buying and selling, renting, marriages, and probate.

    Example of action: A civil lawyer can defend clients in lawsuits seeking compensation for moral or material damages.

    2. Criminal Law

    Criminal law deals with offenses and the penalties applied to those who commit crimes.

    This area is responsible for ensuring that the law is enforced and for defending both the accused and the victims.

    Criminal defense lawyers work in investigations, trials, hearings, and jury trials.

    Example of action: Defense of those accused of crimes or representation of victims in criminal proceedings.

    3. Labor Law

    Labor law regulates the relationship between employees and employers. Issues such as vacations, wages, dismissals, overtime, and workplace harassment fall within this branch of law.

    It is one of the most sought-after areas for lawyers, since labor disputes are common in Brazil.

    Example of action: To file lawsuits for constructive dismissal or to defend companies in labor claims.

      4. Business (or Commercial) Law

      Business or Commercial Law governs the activities of companies and entrepreneurs. This area deals with business contracts, partnerships, bankruptcies, trademarks, and patents.

      With the growth of entrepreneurship, it is a constantly expanding area.

      Example of action: To assist in the formation of companies and the drafting of contracts between partners.

        5. Environmental Law

        O Environmental Law It protects the environment and regulates human activities that may cause impacts.

        This includes environmental licensing, environmental crimes, civil liability, and sustainable public policies.

        Example of action: Defense of companies in licensing processes or environmental liability lawsuits.

        6. Digital Law

          Digital Law - Types of Law

          O Digital Law It's a new but rapidly growing area. It involves cybercrime, data protection, copyright on the internet, and e-commerce regulation.

          With the General Data Protection Law (LGPD), the demand for lawyers specializing in this area has increased significantly.

          Example of action: We provide consulting services to companies on complying with the LGPD (Brazilian General Data Protection Law) or defend them in cases of data breaches.

          7. Consumer Law

          O Consumer Law It protects the customer in consumer relations. This includes everything from problems with purchases to abusive contracts, poor service, and product defects.

          It is one of the best-known areas, as it directly affects the lives of the population.

          Example of action: To propose legal action against companies for violating the Consumer Protection Code.

            8. Tax Law

            Tax law regulates the collection of taxes and duties by the State. Lawyers in this area work with tax planning, defense against improper charges, and tax consulting.

            It is one of the most technical and lucrative areas of law.

            Example of action: Defense of companies in tax enforcement proceedings or consulting services for tax burden reduction.

            9. Social Security Law

            Social Security Law deals with social security and benefits such as retirement pensions, allowances, and survivor's pensions.

            It's a booming area, especially due to changes in social security legislation.

            Example of action: Social security lawyers help clients apply for retirement or review benefits.

              10. Administrative Law

              Administrative Law deals with the relationship between the State and citizens.

              It covers bidding processes, public contracts, public servants, and the civil liability of the State.

              Example of actionDefense in public tender processes, bidding processes, or lawsuits against government agencies.

              Read also: Learn about the principles of Administrative Law.

              11. Intellectual Property Law

              This area protects artistic, industrial, and scientific creations. It includes copyrights, trademarks, patents, and software.

              With the advancement of technology, intellectual property has become strategic for companies and entrepreneurs.

              Example of action: Registering trademarks and patents or defending authors in cases of plagiarism.

              12. Family and Inheritance Law

              Family Law deals with family relationships: marriages, divorces, custody, child support, and adoption.

              Succession law, on the other hand, deals with inheritances and the division of assets.

              Example of action: To represent clients in cases of shared custody or probate proceedings after death.

              Which area of law pays the most?

              This is a common question among students and professionals: which area of law is the most lucrative?

              Although all can generate good income, some specializations stand out. Due to high demand and technical complexity, check it out:

              • Tax Law Large companies pay high fees for consulting and defense in tax cases.
              • Business Law Contracts, mergers, and acquisitions involve large sums of money.
              • Digital Law With the LGPD (Brazilian General Data Protection Law) and the growth of cybercrimes, this area is expanding.
              • Medical and Health Law (derived from Civil and Administrative Law) – It has also gained ground and good pay.

              It's important to highlight that financial success depends not only on the chosen field, but also on networking, specialization, and the credibility built in the market.

              Read also: Law school: is it worth it?

              Conclusion on the types of law

              Knowing the different types of law and areas of practice is essential for career planning.

              There are countless possibilities, ranging from the most traditional, such as Civil and Criminal Law, to modern and growing areas, such as Digital Law.

              Regardless of the chosen path, a good lawyer needs to stay updated, constantly specialize, and build authority in the market.

              This way, you can stand out and achieve good results, both professionally and financially.

              And you, do you already know which area of law best suits your profile?

              No? Then Visit us here at ESEG College in São Paulo and talk to our career counselor., She will help you understand which area suits you best!

              ESEG College offers a comprehensive Law degree, with an updated curriculum, experienced professors, and a focus on employability; here, 98% of our students graduate with jobs or as entrepreneurs!

              Come and see our facilities and discover how to transform your calling into a successful career!

              ESEG Team

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